When Does H3-24 | Martian Moon eXplorer (MMX) Launch?

H3-24 | Martian Moon eXplorer (MMX) is scheduled to lift off Monday, October 19, 2026 at 19:41 UTC from Yoshinobu Launch Complex LP-2. Status: Go for Launch. Live countdown, updated daily as the window shifts.

MMX is a Japanese scientific mission to land on Phobos, one of the two moons of Mars, to collect samples before bringing them back to Earth. The mission includes a small French/German rover to explore the surface of Phobos. This mission is flown by Mitsubishi Heavy Industries. It is classified as a planetary science mission. Liftoff is planned from Yoshinobu Launch Complex LP-2 at Tanegashima Space Center, Japan. Current status from Launch Library: Go for Launch. Launch windows shift often; this page is rebuilt every day with the latest scheduled time.

H3-24 | Martian Moon eXplorer (MMX) is scheduled to lift off on Monday, October 19, 2026 at 19:41 UTC. The countdown above updates live, so you always see exactly how many days, hours, and minutes are left.